Product Details
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SAE Split Flange FH
We provide SAE split and full high-pressure flanges in A/B/C/D/E/F/G/H/V series, including companion and connecting flanges. Our product range covers split and integral flanges, right-angle welded, square, tee, socket weld, butt weld, threaded and 24° cone flanges, as well as standard and non-standard SAE welded pipe connectors and flange covers. We also supply welded, ferrule and flared hydraulic pipe fittings. Widely used in heavy vehicles, construction machinery, petroleum, coal, power, metallurgy, chemical, shipbuilding and transportation industries, our products enjoy high customer reputation.
Product Description:
Split Flange
Specifications
Types: Type A, B, C, D, E, F, H, V
Pressure rating: Light duty 3000PSI, Heavy duty 6000PSI
Standards: JB/ZQ4187 (Chinese standard), SAE J518, ISO6162, ISO6164
Materials: 20#, 304, 316L, A3, Q235 (carbon steel)
Color
Features
Excellent corrosion and acid & alkali resistance, long service life, reasonable price, smooth surface, high temperature resistance, attractive appearance and stable mechanical performance.
Production Process
Integral forging, press forming, medium plate cutting and rolling.
Processing Method
High-precision CNC turning, conventional lathe finishing, argon arc welding, etc.
Nominal Pressure
sch5s, sch10s, sch20s, sch30s, sch40s
Manufacturing Standards
Chinese standard, American standard, Russian standard, Japanese standard, etc.
Extended Flange & Pipe Fitting Materials
201, 304, 316, 316L, 0Cr18Ni9, 321, 202, etc.
Application
Widely used in water conservancy, electric power, power stations, pipeline accessories, industrial facilities, pressure vessels and other fields.
Flange Pipe Fittings
Flange pipe fitting is a type of welded pipe fitting matched with pipelines. Some are finished for direct use, while others require on-site processing. Casted fittings integrate flanges as one piece; welded flanges are processed later, available both factory-finished and site-fabricated.
Product range includes reducer flange fittings, elbow flange fittings, tee flange fittings, available in carbon steel, alloy steel, stainless steel and other materials.
1. Material Classification
- Carbon Steel: ASTM/ASME A234 WPB, WPC
- Alloy Steel: ASTM/ASME A234 WP1–WP12, WP11, WP22, WP5, WP91, WP911; 15Mo3, 15CrMoV, 35CrMoV
- Stainless Steel: ASTM/ASME A403 WP304/304L/304H/304LN/304N; WP316/316L/316H/316LN/316N/316Ti; WP321/321H; WP347/347H
- Low-temperature Steel: ASTM/ASME A402 WPL3, WPL6
- High-performance Steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70
- Others: Cast steel, alloy steel, stainless steel, copper, aluminum alloy, plastic, rubber, PVC, PPR, RFPP
2. Production Method
Pushing, pressing, forging, casting
3. Manufacturing Standard
National standard, electric power standard, ship standard, chemical standard, water standard, American standard, German standard, Japanese standard, Russian standard, etc.
4. Curvature Radius
Long radius elbow: R=1.5D
Short radius elbow: R=1.0D
(D = elbow diameter; R = curvature radius)
5. Pressure Class
Sch5s, Sch10s, Sch10, Sch20, Sch30, Sch40s, STD, Sch40, Sch60, Sch80s, XS, Sch80, SCH100, Sch120, Sch140, Sch160, XXS
Common grades: STD, XS
Conventional Materials
1. Carbon Steel
20# Steel, 45# Steel, Q235
2. Stainless Steel
AISI 304 (1.4301)
AISI 316 (1.4401)
AISI 316L (1.4404)
AISI 316Ti (1.4571)
Order Code Instructions
① Xinweitong Flange
② Split Flange
③ Product Model
④ * represents flange material / welded pipe material
Carbon Steel Grade
- C20 / C45 / CQ235: No coating, oiled
- C20A / C45A / CQ235A: No coating, oxidation treatment
- C20B / C45B / CQ235B: White zinc plated
- C20C / C45C / CQ235C: Yellow zinc plated
- C20D / C45D / CQ235D: Oxidation treatment
Stainless Steel Grade
304 (1.4301), 316 (1.4401), 316L (1.4404), 316Ti (1.4571)
Example:
If you need 20# steel flange with no coating and oxidation treatment, replace * with C20A.
If welded pipe material is 304 (1.4301), replace * with 304.
⑤ Matching Bolts
M – Metric Bolt
U – UNC Bolt
Example:
Choose metric bolt → mark * as M
Choose UNC bolt → mark * as U
Leave blank if no matching bolts are required.


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